The FemtoTools FT-S Microforce Sensing Probes are sensors capable of measuring forces from sub-nanonewtons to 200 millinewtons along the sensor’s probe axis. Both compression and tension forces can be measured. Single SI-traceable pre-calibration for each probe in combination with an outstanding long-term stability guarantees significantly higher measurement accuracy than other force sensing systems in this force range. Specialized versions are also available, including 2-Axis Microforce Sensing Probes or Tip Heating.
The FT-S Microforce Sensing Probes are available with a wide variety of tip materials and geometries including diamond Berkovich, cube corner, flat punch, wedge, conical and more.
Sensor | Force Range |
Resolution @10Hz |
FT-S200 | ±200µN | 0.0005 µN |
FT-S2'000 | ±2'000µN | 0.005 µN |
FT-S20'000 | ±20'000µN | 0.05 µN |
FT-S200'000 | ±200'000µN | 0.5 µN |
FT-S20'000-2Axis | ±20'000µN / ±20'000µN | 0.1 µN / 0.1 µN |
Application | Geometry | Material |
Nanoindentation | Berkovich / cube corner | Diamond |
Nanoscratch testing | Cube corner | Diamond |
Soft material indentation | Spherical | Glass / ruby |
Micro-pillar compression | Flat-punch | Diamond |
Cantilever fracture testing | Wedge / conical | Diamond |